Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/machnode.cpp
src/share/vm/opto/machnode.cpp
- changeset 7161
- fc2c88ea11a9
- parent 6487
- 15120a36272d
- child 7535
- 7ae4e26cb1e0
- child 9513
- e044997c2eda
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| 7151:bddcb33dadf4 | 7161:fc2c88ea11a9 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 637 if (_cnt != COUNT_UNKNOWN) st->print(" C=%f",_cnt); | 637 if (_cnt != COUNT_UNKNOWN) st->print(" C=%f",_cnt); |
| 638 if (jvms() != NULL) jvms()->dump_spec(st); | 638 if (jvms() != NULL) jvms()->dump_spec(st); |
| 639 } | 639 } |
| 640 #endif | 640 #endif |
| 641 | 641 |
| 642 | |
| 643 bool MachCallNode::return_value_is_used() const { | 642 bool MachCallNode::return_value_is_used() const { |
| 644 if (tf()->range()->cnt() == TypeFunc::Parms) { | 643 if (tf()->range()->cnt() == TypeFunc::Parms) { |
| 645 // void return | 644 // void return |
| 646 return false; | 645 return false; |
| 647 } | 646 } |
| 655 } | 654 } |
| 656 } | 655 } |
| 657 return false; | 656 return false; |
| 658 } | 657 } |
| 659 | 658 |
| 659 // Similar to cousin class CallNode::returns_pointer | |
| 660 // Because this is used in deoptimization, we want the type info, not the data | |
| 661 // flow info; the interpreter will "use" things that are dead to the optimizer. | |
| 662 bool MachCallNode::returns_pointer() const { | |
| 663 const TypeTuple *r = tf()->range(); | |
| 664 return (r->cnt() > TypeFunc::Parms && | |
| 665 r->field_at(TypeFunc::Parms)->isa_ptr()); | |
| 666 } | |
| 660 | 667 |
| 661 //------------------------------Registers-------------------------------------- | 668 //------------------------------Registers-------------------------------------- |
| 662 const RegMask &MachCallNode::in_RegMask(uint idx) const { | 669 const RegMask &MachCallNode::in_RegMask(uint idx) const { |
| 663 // Values in the domain use the users calling convention, embodied in the | 670 // Values in the domain use the users calling convention, embodied in the |
| 664 // _in_rms array of RegMasks. | 671 // _in_rms array of RegMasks. |
